Student, Mannes College Music, New York City, 1954. Doctor of Music (honorary), World University, Puerto Rico, 1972. Doctor of Humane Letters (honorary), Marymount College, 1975.
Doctorate (honorary), University Puerto Rico, 1984. Doctorate (honorary), Dickinson College, Carlisle, Pennsylvania, 1986. Doctor (honorary), Shenandoah College, 1986.
Doctor (honorary), Interam. University, Puerto Rico, 1989.
Professor cello Conservatory Music, San Juan, Puerto Rico, 1961-1964. Visiting professor cello Curtis Institute, Philadelphia, 1974-1975. Co-chairman board, music director Casals Festival, 1974-1977.
Artistic director John F. Kennedy Center for Performing Arts, Washington, 1980-1990. Director general Evian Music Festival, France, since 1990. President Manhattan School Music, New York City, 1992—2005, retired, 2005.
Member National Council on Arts, 1990. Consultant Latin American educational projects.
Trustee Marlboro School Music and Festival. Trustee Marymount School, New York City, World University. Member National Council on the Arts.
Married Pablo Casals, August 3, 1957 (deceased 1973). Married Eugene Istomin, February 15, 1975.